U.S.stocks rose tenatively Tuesday morning as inflation worries dogged bullish investors ahead of third-quarter earnings and as the International Monetary Fund cut its outlook for global growth. The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA -1.30% rose 36 points, or 0.1%, at 34,533, the S&P 500 index /zigman2/quotes/210599714/realtime SPX -1.89% inchded 0.1% higher at 4,364, and the Nasdaq Composite Index /zigman2/quotes/210598365/realtime COMP -2.72% advanced 0.1% at 14,505. The IMF on Tuesday said it expects global GDP to grow by 5.9% in 2021---0.1 percentage point lower than its previous estimate. "This modest headline revision masks large downgrades for some countries," wrote Gita Gopinath, chief economist at the IMF, in a Tuesday blog post. The report comes as investors are wrestling with surging energy prices, which are contributing to pricing pressures across the globe in the wake of the COVID-19 pandemic.